The number of solutions of \( 2 \cos x=|\sin x|, 0 \leq x \leq 4 \pi \), is (a) 0 (b) 2 (c) 4
The number of solutions of \( 2 \cos x=|\sin x|, 0 \leq x \leq 4 \pi \), is
(a) 0
(b) 2
(c) 4
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